0
votes
1answer
237 views

Laptop's power supply discharges the battery 10-20 seconds after unpluging from wall

Everyday after turning off the laptop (not before) I'm unplugging the power supply only from the wall, not from both wall and laptop. But it started to discharge the battery. After unplugging the ...
0
votes
1answer
316 views

High pitched whine when laptop plugged in

My relatively new Toshiba Portege r705 laptop (running Linux) has started making a high-pitched whine when plugged in. The sound is usually only noticeable when the laptop is in use and the battery is ...